Home / 939,823.65-1,296,921.87-510,094.56

Finding the Fourth Proportional to 939,823.65, 1,296,921.87 and 510,094.56

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Solution

The fourth proportional to 939,823.65, 1,296,921.87 and 510,094.56 is: 703,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,823.65 : 1,296,921.87 = 510,094.56 : x
  2. Step 2: Convert to fraction form
    939,823.65/1,296,921.87 = 510,094.56/x
  3. Step 3: Cross multiply
    939,823.65x = 1,296,921.87 × 510,094.56
  4. Step 4: Simplify right side
    939,823.65x = 661,552,790,632.03
  5. Step 5: Solve for x
    x = 661,552,790,632.03/939,823.65
  6. Step 6: Final answer
    x = 703,911.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.